package com.atguigu.gulimall.order.web;

import com.atguigu.common.exception.NoStockException;
import com.atguigu.gulimall.order.service.OrderService;
import com.atguigu.gulimall.order.vo.OrderConfirmVo;
import com.atguigu.gulimall.order.vo.OrderSubmitVo;
import com.atguigu.gulimall.order.vo.SubmitOrderResponseVo;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Controller;
import org.springframework.ui.Model;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.PostMapping;
import org.springframework.web.servlet.mvc.support.RedirectAttributes;

import java.util.concurrent.ExecutionException;

@Controller
public class OrderWebController {

    @Autowired
    private OrderService orderService;
    /**
     * 去结算
     * @return
     */
    @GetMapping("/toTrade")
    public String toTrade(Model model) throws ExecutionException, InterruptedException {


       OrderConfirmVo confirmVo = orderService.confirmOrder();
        model.addAttribute("orderConfirmData", confirmVo);
        return "confirm";
    }

    @PostMapping("/submitOrder")
    public String submitOrder(OrderSubmitVo vo, Model model, RedirectAttributes attributes){
        try{
            SubmitOrderResponseVo responseVo = orderService.submitOrder(vo);
            if(responseVo.getCode() == 0){
                // 成功
                model.addAttribute("submitOrderResp", responseVo);
                return "pay";
            }else{
                String msg = "下单失败：";
                switch (responseVo.getCode()){
                    case 1 : msg += "订单信息过期，请刷新再次提交";break;
                    case 2 : msg += "订单商品价格发生变化，请确认后再提交";break;
                    case 3 : msg += "商品库存不足";break;

                }
                attributes.addFlashAttribute("msg", msg);
                return "redirect:http://order.gulimall.com/toTrade";
            }
        }catch (NoStockException e){
            attributes.addFlashAttribute("msg", "商品库存不足");
            return "redirect:http://order.gulimall.com/toTrade";
        }

    }
}
